2854402940

素因数分解:

$2^2\times 5^1\times {\mathrm{142720147}}^1$

素因数の和:142720156

約数の個数: 12

約数和(自身を含む): 5994246216

約数和(自身を除く): 3139843276

約数列:

[1, 2, 4, 5, 10, 20, 142720147, 285440294, 570880588, 713600735, 1427201470, 2854402940]

約数ペア:

[(1, 2854402940), (2, 1427201470), (4, 713600735), (5, 570880588), (10, 285440294), (20, 142720147)]